Home / 132,576,832.40-198,529,325.40-105,702,976.40

Finding the Fourth Proportional to 132,576,832.40, 198,529,325.40 and 105,702,976.40

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Solution

The fourth proportional to 132,576,832.40, 198,529,325.40 and 105,702,976.40 is: 158,286,634.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,576,832.40 : 198,529,325.40 = 105,702,976.40 : x
  2. Step 2: Convert to fraction form
    132,576,832.40/198,529,325.40 = 105,702,976.40/x
  3. Step 3: Cross multiply
    132,576,832.40x = 198,529,325.40 × 105,702,976.40
  4. Step 4: Simplify right side
    132,576,832.40x = 20,985,140,597,464,124
  5. Step 5: Solve for x
    x = 20,985,140,597,464,124/132,576,832.40
  6. Step 6: Final answer
    x = 158,286,634.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.